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Static switchSSW Series

• 

Description The Delta SSW Series static switch is an electronic switch

between the AC mains and the Delta API 1500A series

modular inverters to provide an uninterruptible AC power for

the equipment. Two standard static switch modules rated for

7.5kVA and 30kVA are available. The static switch is re-

sponsible for the system performance and the Delta API

1500A series modular inverters are synchronised to the AC

mains.

For energy cost saving reasons, the static switch can be

configured to offline mode, where the AC utility is connected

to the equipment directly. The inverters will be backup en-

ergy source in case of AC utility quality decrease or AC util-

ity failure.

Installation is simplified as all Delta static switches havetheir connectors at rear and are hot-pluggable. Fan cooling

with speed control ensures near silent operation.

Main features

•  Energy saving up to 5 % due to architecture

•  Energy saving up to 14 % due to Offline system configu-

ration

•  High quality AC supply to critical telecom equipment in

harsh environment due to Online system configuration

•  High performance AC line quality monitoring

•  Inbuilt AC overvoltage protection

•  Very fast switchover at mains failure

•  Synchronisation of the inverters to the AC utility

Applications

SSW Series static switch is used in Delta CellD, MidD,

CabD and OutD systems for:

•  Backup AC power for infrastructure equipment

•  Network base stations

•  Wireless applications

•  Fixed line applications, data communications

Delta inverters and static switches combined 

with our DC power systems provide modular UPS for AC power back-up.

The Delta inverter series complete InD and OutD 

systems providing total site power solutions and 

offering new opportunities for energy saving.

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Static switchSSW Series

Technical specifications

Delta Energy Systems (Switzerland) AGFreiburgstrasse 251, CH-3018 Bern - BümplizPhone: +41 31 998 5311, Fax: +41 31 998 5353

www.deltapowersolutions.com

Fact_Sheet_SSW_en / Rev. 06 / RPä 3791173300• 

1. Input

Mains voltage208 / 220V / 230 / 240

Vrms - configurable

Mains frequency 50 / 60 Hz - configurable

EMI (conducted) EN 55 022, class B

Protection External protection

AC over voltage protection Incl. loss of neutral

2. Output

Nominal system voltage 208 / 220V / 230 / 240Vrms - configurable

Frequency 50 / 60 Hz - configurable

Power limitation7.5 kVA

*1 

30 kVA*2

 

Output THD 2 %

Crest factor 2.8

Overload capability140 % - Offline

Not applicable - Online

EMI (conducted) EN 55022, class B

Protection External load distribution

Ordering informationDescription

*1

Product line number

SSW 7500A-230

TPS1030002A

Description*2

 

Product line number

SSW 30000A-230

TPS1030003A

3. General

Efficiency > 99 %

Control and monitoring

Dry alarm contacts

RS 232 - diagnostic and

configuration software

User interface LED display

Dimensions (W x H x D)

220 x 64 x 429 mm*1

 

8.66 x 2.52 x 16.88 in*1

 

220 x 132 x 433 mm*2

 

8.66 x 5.20 x 17.05 in*2

 

Weight3.2 kg / 7 lb

*1

8.4 kg / 18.5 lb *2 Standards

•  Safety EN / IEC 60950

•  EMI (radiated) EN 55022, class B

•  Environment RoHS compliant

Cooling Fan cooled

Acoustics 50 dB (A)

Operating temperature-25 to +60 °C 

-13 to +140 °F 

Subject to change without notice.